Fix TimeRangeHelper#to_s to work with Ruby 1.9.2.
Fix TimeRangeHelper#to_s to work with Ruby 1.9.2.

CorainChicago/ActivateHub,CorainChicago/ActivateHub,bencornelis/calagator,matthewkmayer/calagator,kerrizor/calagator,iamBalaji/Calagator,cp/calagator-1,oktober/calagator,nblackburn87/calagator,bencornelis/calagator,shawnacscott/calagator,Villag/dentonator,matthewkmayer/calagator,alexbeeken/calagator.org,L2-D2/calagator,matthewkmayer/calagator,matthewkmayer/calagator,L2-D2/calagator,jmcduffie32/calagator,jmcduffie32/calagator,L2-D2/calagator,Eugator-Wranglers/calagator,kerrizor/calagator,oktober/calagator,Eugator-Wranglers/calagator,reidab/calagator,kerrizor/calagator,iamBalaji/Calagator,bencornelis/calagator,reidab/calagator,CorainChicago/ActivateHub,CorainChicago/ActivateHub,shawnacscott/calagator,nblackburn87/calagator,iamBalaji/Calagator,Villag/dentonator,cp/calagator-1,kerrizor/calagator,reidab/calagator,jmcduffie32/calagator,L2-D2/calagator,dudleysr/calagator-workspace,cp/calagator-1,alexbeeken/calagator.org,eeeeeean/windchimes,reidab/calagator,VolunteerOdyssey/calagator,iamBalaji/Calagator,nblackburn87/calagator,cp/calagator-1,eeeeeean/windchimes,Villag/dentonator,shawnacscott/calagator,oktober/calagator,dudleysr/calagator-workspace,VolunteerOdyssey/calagator,bencornelis/calagator,oktober/calagator,VolunteerOdyssey/calagator,jmcduffie32/calagator,shawnacscott/calagator